chore(deps-dev): bump the minor-development-deps group with 4 updates

Bumps the minor-development-deps group with 4 updates: [lerna](https://github.com/lerna/lerna/tree/HEAD/packages/lerna), [@ibm-cloud/openapi-ruleset](https://github.com/IBM/openapi-validator/tree/HEAD/packages/ruleset), [@readme/oas-examples](https://github.com/readmeio/oas-examples) and [tsup](https://github.com/egoist/tsup).


Updates `lerna` from 8.1.7 to 8.1.8
- [Release notes](https://github.com/lerna/lerna/releases)
- [Changelog](https://github.com/lerna/lerna/blob/main/packages/lerna/CHANGELOG.md)
- [Commits](https://github.com/lerna/lerna/commits/v8.1.8/packages/lerna)

Updates `@ibm-cloud/openapi-ruleset` from 1.18.2 to 1.21.0
- [Release notes](https://github.com/IBM/openapi-validator/releases)
- [Changelog](https://github.com/IBM/openapi-validator/blob/main/packages/ruleset/CHANGELOG.md)
- [Commits](https://github.com/IBM/openapi-validator/commits/@ibm-cloud/[email protected]/packages/ruleset)

Updates `@readme/oas-examples` from 5.16.1 to 5.18.2
- [Release notes](https://github.com/readmeio/oas-examples/releases)
- [Commits](readmeio/oas-examples@v5.16.1...5.18.2)

Updates `tsup` from 8.2.3 to 8.2.4
- [Release notes](https://github.com/egoist/tsup/releases)
- [Changelog](https://github.com/egoist/tsup/blob/dev/.releaserc.json)
- [Commits](egoist/tsup@v8.2.3...v8.2.4)

---
updated-dependencies:
- dependency-name: lerna
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: minor-development-deps
- dependency-name: "@ibm-cloud/openapi-ruleset"
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: minor-development-deps
- dependency-name: "@readme/oas-examples"
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: minor-development-deps
- dependency-name: tsup
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: minor-development-deps
...

Signed-off-by: dependabot[bot] <[email protected]>